A high pitched "squeenk" is often given as a startled
frog jumps to safety

Tadpoles:

Most tadpoles transform in a few months, but some
overwinter

tadpole larger, to 90 TL; dorsum dark or pale brown to
gray with a few dots with fuzzy borders and subtle vermiculations; no
spots in dorsal fin, but distal third of tail commonly with black,
somewhat haphazard, more or less rectangular markings, fins commonly
densely speckled; venter densely white in large specimens, usually with
silver patches of iridophores in younger specimens, body notably
depressed and long dorsal fin with low arch.

Range: Green & Bronze Frog

In North America, exotic range: Vancouver Island and
adjacent British Columbia and Washington and near Salt Lake City, Utah;
native range: most of eastern North America east of central Oklahoma.
Bronze frog is the more southern subspecies.